I'm not arguing about Gandhi facts. Your comment was flamebait. By unsubstantive I mean comments that add more noise than signal to a thread.
It's also against HN's rules to use it primarily for political or ideological battle. Would you mind taking the spirit of this site more to heart, as described at https://news.ycombinator.com/newsguidelines.html? We're here for curious conversation, not to smite enemies, and those two things can't coexist. For example, if you jump from a topic like "Disproved discoveries that won Nobel Prizes" to "Gandhi was a horrific racist", you're taking the thread in the sort of hellish direction from which the internet never returns.